Revatio (Sildenafil Citrate) Drug Overview and Uses for Patients and Caregivers at RxList

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May 27, 2012

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Pulmonary Hypertension »

What are pulmonary arteries?

The human body has two major sets of blood vessels that distribute blood from the heart to the body. One set pumps blood from the right heart to the lungs and the other from the left heart to the rest of the body.

The portion of the circulation that distributes oxygen-rich blood from the left side of the heart, throughout the body, is referred to as the systemic circulation.
The blood then returns from the body to the right side of the heart and passes through the lungs to replenish oxygen.
It then returns to the left side of the heart for another round through the systemic circulation.
The portion of the circulation that distributes the blood from the right side of the heart to the lungs is referred to as the pulmonary (lung) circulation.
The pulmonary arteries are the major blood vessels that carry blood from the rig...

Read the Pulmonary Hypertension article »

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IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

SILDENAFIL - ORAL

(sil-DEN-a-fil)

COMMON BRAND NAME(S): Viagra

USES: Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction) by blocking a certain enzyme (phosphodiesterase-PDE5) in the body. In combination with sexual stimulation, sildenafil works by helping the blood flow into the penis to achieve and maintain an erection.

This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis). Practice "safe sex" such as using latex condoms. Consult your doctor or pharmacist for more details.

OTHER USES: This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.

Sildenafil is also available in other strengths for treating high blood pressure in the lungs (pulmonary arterial hypertension). Do not substitute one form of this drug for the other.

HOW TO USE: Read the Patient Information Leaflet provided by your pharmacist before you start taking sildenafil and each time you get a refill. If you have any questions, consult your doctor or pharmacist.

To treat erectile dysfunction, take this drug by mouth as directed by your doctor, usually as needed. Take sildenafil at least 30 minutes, but no more than 4 hours, before sexual activity (1 hour before is the most effective). Do not take more than once daily.

A high-fat meal may delay how quickly the drug begins to work.

Avoid eating grapefruit or drinking grapefruit juice while you are being treated with this medication unless your doctor instructs you otherwise.

The dosage is based on your medical condition, response to treatment, and other medications you may be taking (see also Drug Interactions section). Consult your doctor or pharmacist for more details.